package com.facebook.presto.operator.aggregation.noisyaggregation;

/*
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import com.facebook.presto.operator.aggregation.noisyaggregation.sketch.SfmSketch;
import com.facebook.presto.spi.function.AccumulatorState;
import com.facebook.presto.spi.function.AccumulatorStateMetadata;

@AccumulatorStateMetadata(stateSerializerClass = SfmSketchStateSerializer.class, stateFactoryClass = SfmSketchStateFactory.class)
public interface SfmSketchState
        extends AccumulatorState
{
    SfmSketch getSketch();

    void mergeSketch(SfmSketch value);

    void setSketch(SfmSketch value);

    void setEpsilon(double epsilon);

    double getEpsilon();
}
